Finding the Fourth Proportional to 194,259.31, 291,409.17 and 74,315.99
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Solution
The fourth proportional to 194,259.31, 291,409.17 and 74,315.99 is: 111,481.71
Step by Step Solution
- Step 1: Write the proportion equation
194,259.31 : 291,409.17 = 74,315.99 : x - Step 2: Convert to fraction form
194,259.31/291,409.17 = 74,315.99/x - Step 3: Cross multiply
194,259.31x = 291,409.17 × 74,315.99 - Step 4: Simplify right side
194,259.31x = 21,656,360,963.63 - Step 5: Solve for x
x = 21,656,360,963.63/194,259.31 - Step 6: Final answer
x = 111,481.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.